Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era a localização da luta quando Gassaway lutou contra Kevin Knabjian?
 ###Tabelas: CREATE TABLE comparison_of_targets (comparison_of_targets_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Public VARCHAR, Intranet VARCHAR, Extranet VARCHAR, Personal Sites VARCHAR, Team Sites VARCHAR, Developer VARCHAR) CREATE TABLE sheffield_united_statistics (sheffield_united_statistics_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Division VARCHAR, League Apps INT, League Goals INT, FA Cup Apps INT, FA Cup Goals INT, Other Apps INT, Other Goals INT, Total Apps INT, Total Goals INT) CREATE TABLE complete_world_championship_formula_one_results (complete_world_championship_formula_one_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Entrant VARCHAR, Chassis VARCHAR, Engine VARCHAR, Pts. VARCHAR) CREATE TABLE head-to-head_records_against_other_countries (head-to-head_records_against_other_countries_id AUTO_INCREMENT PRIMARY KEY, Games INT, Wins INT, Draws INT, Losses INT, Goals For INT, Goals Against INT, Goal Differential VARCHAR) CREATE TABLE mixed_martial_arts_record (mixed_martial_arts_record_id AUTO_INCREMENT PRIMARY KEY, Res. VARCHAR, Record VARCHAR, Opponent VARCHAR, Method VARCHAR, Round VARCHAR, Location VARCHAR)  
SELECT Location FROM mixed_martial_arts_record WHERE Opponent = kevin knabjian